Adjustable and convertible audio headphones
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The present application is related to co-pending U.S. utility patent application Ser. No. 13/446,321, entitled “Adjustable and Convertible Audio Headphones”, having a common inventor and filed on even date.
Surfaces or portions shown in the figures with dashed lines form no part of the claimed design.
Claims
The ornamental design for adjustable and convertible audio headphones, as shown and described.
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Type: Grant
Filed: Apr 13, 2012
Date of Patent: May 28, 2013
Assignee: The Echo Design Group, Inc. (New York, NY)
Inventor: Christopher Dougherty (Doylestown, PA)
Primary Examiner: Paula Greene
Application Number: 29/418,231